Seplat Energy has announced a significant leadership transition that will see renowned businessman and investor Tony O. Elumelu assume the role of Chairman of the Board from January 1, 2027, marking a new chapter in the company’s growth journey.
The announcement forms part of a broader succession plan designed to strengthen governance, ensure leadership continuity, and support the company’s long-term strategic ambitions as it continues to expand its footprint across Africa’s energy sector.
As part of the transition, current Chief Executive Officer Roger Brown will step down on July 31, 2026, bringing to a close a tenure that the company credits with transforming Seplat into one of Africa’s leading independent energy producers. During his time as CEO, Brown oversaw major acquisitions that significantly expanded the company’s operations and market position, including the purchase of Mobil Producing Nigeria Unlimited (MPNU) in 2024 and Eland Oil and Gas in 2019.
To continue that momentum, Seplat’s Board has appointed Effiong Okon as the next Chief Executive Officer and Executive Director, effective August 1, 2026. Okon is a seasoned energy executive who has held several strategic leadership positions within the company since joining in 2018. Most recently, he served as Managing Director of ANOH Gas Processing Company, where he successfully led the project through its delivery to first gas production in early 2026.
The company also confirmed that current Board Chairman Udoma Udo Udoma will retire at the end of 2026 after playing a pivotal role in guiding Seplat through key milestones, including the integration of MPNU and the development of its ambitious 2030 strategic roadmap.
The appointment of Elumelu as incoming Chairman is viewed as one of the most significant aspects of the transition. As the founder of Heirs Holdings and Chairman of United Bank for Africa, Elumelu brings decades of experience in investment, corporate governance, banking, energy, technology, insurance, and infrastructure. Through Heirs Holdings, he currently holds a 20.07 percent stake in Seplat Energy, making him one of the company’s most influential shareholders.
Beyond his business achievements, Elumelu is widely recognized for championing entrepreneurship and economic development across Africa through the Tony Elumelu Foundation, which has supported thousands of entrepreneurs across the continent.
Speaking on his upcoming role, Elumelu expressed gratitude for the opportunity to lead the Board and emphasized his belief in the power of indigenous African companies to drive economic transformation. He noted that Seplat’s commitment to strong corporate governance, operational excellence, and long-term value creation aligns closely with his vision for sustainable growth.
Incoming CEO Effiong Okon also outlined his commitment to executing Seplat’s 2030 strategic roadmap, with a focus on delivering long-term value for shareholders while strengthening the company’s position within Africa’s evolving energy landscape.
Reflecting on his years at the helm, Roger Brown described his leadership journey as both rewarding and transformative, highlighting the company’s reputation for financial discipline, strong governance, and consistent value creation.
The Board’s succession plan signals confidence in Seplat’s future direction and demonstrates a deliberate effort to maintain stability while accelerating growth. With a new generation of leadership preparing to take charge, the company appears poised to build on its recent successes and strengthen its standing as a leading force in Africa’s energy industry.
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